Density-meter.



Ci N. SOWDEN.

DENSITY MEIER.

R.20 I918 RENEWE Patented Apr. L1919..

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. I I, I 7/ ATTORNEYS i NEVILLE SOWDEN, OF OARA GAS,

DENSITY-METER.

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Specification of Letters Eatent.

- Patented Apr. 1,

Application filed April 20, 1918, Serial ito. 229,788. Renewed February 19, 1.919. Serial No. 278,0863

filling cap 23 whereby water maybe poured To all whom it may concern:

Be it known that I, CHARLES NEVILLE SOWDEN, a citizen of Canada, residing'at Caracas, Cuba, have invented a new and Improved Density-Meter, of which the following is a full, clear, and exact description.

cup which My invention relates to a density meter through which 1i uid, the density of which is to be measured, may fiow continuously. The object of the invention is to provide a sim le and efficient meter of the class descri d. 2 I

I attain the above and other objects of my invention by the structure conventionally disclosed in the accompanying drawings, wherein similar characters of reference indicate corresponding parts in all the views.

Figure 1 is a vertical section through a. meter embodying my invention;

Fig. 2 is a plan view of the meter, the cover and the gages being removed; and

Fig. 3 is a fragmentary elevation of the lower end of the meter.

Referrin -to the drawings, 5 is a mercury as a partition 6 separating the cup into two chambers 7 and 8 communicating through a depression, 9 formed in the bottom of the cup about the partition 6. By placin mercury into the cup'so that the surface 0 the mercury is above the bottom of the partition, communication between the chambers 7 and 8 is intercepted. The partition 6 has an enlarged-portion 10 at the to in which a passage 11 is provided establis g communication between the top of this enlarged portion and the chamber 7. This enlarged portion 10 of the partition supports a tube 12 which forms an extension of the passage 11. A tube 13 surrounds the tube 12 and is supported by a plate 14 which 5 forms the cover of the cup 5. The tube 13 communicates with the chamber 8, while the tube 12 communicates with the chamber 7.

-' leading from the chamber 19 to the chamber A. head 15 is secured to the upper end of the tube 13. A tubular extension 16 is provided within the head 15 for the tube 13.

The head 15 has a partition 17 therein which divides the interior of the head into two chambers 18 and 19, the chamber 18 being in communication with the tube 13 and having also a drain 20.. The chamber 19 has an inlet conduit 21 and a conduit 22 8 in the cup 5. l

The tube 12.- extends to the top of the tubu lar member16 where it is provided with a chamber 7 of the on into the tube 12- and, therefore, into the 5. The tube 12 has also a branch con uit 24 which passes through the tube 13 and is connected to indicators 25 and 26.

The head 15 is provided with a cover 27 which is removed when the to 12 is to be filled with water. The cap 23 as to be removed to fill the tube with water. The water in the tube enters the chamber 7.- The liquid enters the chamber 19 of the head 15 through a conduit 21. From the chamber 19 1i uid-passes through the conduit 22 into t e chamber 8' of the cup 5,

From the chamber 8 the fluid rises through .the tube 13 into the cham er 18 and passes out through the drain 20. he density of the 11qu1d column in the tube13 is balanced by the water in the tube '12, and any variation in density of the liquid passing through the chamber, indicators associated with the inner conduit, a head secured to the outer conduit, a partition in said head dlvidmg the same into two chambers mto one of which the outer conduit enters, a drain from saidchamber, a conduit from the other chamber of the head to the chamber in the cup with which the outer conduit communicates, and means for supplying fluid to said other chamber.

2. A density meter comprising a mercur cup, a partitlon in said cup which, wit

the mercury in the bottom of the cup, is adapted to divide said cup pendent chambers, a conduit rising from the partition and adapted to be in communication with one of the chambers, a conduit rising from the cup concentric with the first conduit and in communication with the other chamber of the'cup, an indicator on the first conduit, a head on thesecond conduit, a partition in said head dividing the head into two cham ers one of which is in communication'with the second conduit, a drain from said chamber with which the second conduit is in communication, a coninto two indeduit'from the other chamber of the head to the chambers and the other, with the other the chamber in the cup with which the secchamber, an indicator associated with the 0nd rising conduit is in communication, and inner conduit, and means for supplying means for supplying fluid to said other, fluid to the chamber in communication 15 5 chamber of the head. with the outer conduit and through which 3. A density meter ci mprising a mercury conduit said fluid is discharged. cup a partition in sai cu which with the mer cury in the bottom of t e cup is adapted CHARLES NEVILLE SOWDEN? to divide said cup into two lndependent In presence of.'- 10 chambers, a pair of rising concentric con- LEOPOLD ROMAGOSA,

duits, one in communication with one of FRANCES M. Norm. 

